Horse feeder



FIG. 1 is a top perspective view of a horse feeder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a right side elevation thereof, the left side being identical in appearance; and

FIG. 5 is a rear elevation thereof. 

The ornamental design for a horse feeder, as shown and described. 